Apps Related to Extensible by Plugins/Extensions

OneSwarm was a file-sharing client focused on privacy and anonymity, designed to operate within a darknet or a friend-to-friend network. ...more

KMail is a powerful and flexible email client tightly integrated with the Kontact personal information manager suite. Part of the KDE ecosystem, it offers robust features for managing your email, including strong encryption options, support for multiple protocols like IMAP, POP3, and Exchange, and seamless integration with other Kontact components like the calendar and address book. ...more

Simple Machines Forum (SMF) is a powerful and free open-source forum software designed to provide a robust platform for online communities. It offers a comprehensive set of features for building and managing dynamic message boards. ...more

MyBB (MyBulletinBoard) is a free, open-source forum platform written in PHP and utilizing MySQL. It provides a robust and extensible solution for building online communities, offering features like integrated spam protection, user management, and a plugin system for customization. ...more

Speed Dial is a versatile browser extension designed to replace your default new tab page with a highly customizable visual dashboard, offering quick access to frequently visited sites, bookmarks, and browsing history for enhanced navigation and productivity. ...more

ContentToolsJS is a lightweight JavaScript library designed to transform standard HTML content into an in-line WYSIWYG editor. It allows users to directly edit text, images, and other elements on a webpage as they would appear to visitors, making content creation and management intuitive and efficient for web development workflows. ...more

Psi+ is a robust, cross-platform XMPP/Jabber client tailored for users who prioritize control, privacy, and extensibility. As a development branch of the classic Psi client, it offers advanced features for secure and customizable instant messaging. ...more

rxvt-unicode, often abbreviated as urxvt, is a highly customizable and lightweight terminal emulator known for its performance and extensive feature set provided through plugins. It's a fork of the original rxvt and is a popular choice for users seeking a fast and highly configurable command-line interface. ...more

SynWrite is a comprehensive and free source code editor for Windows, serving as an excellent Notepad replacement with robust features for various programming and web development tasks. It's designed for performance and extendibility, making it suitable for both novice and experienced developers. ...more

Scribes is a free and open-source minimalist text editor designed for programmers and writers who value simplicity and efficiency. It provides a clean interface with essential features like syntax highlighting, autocompletion, and extensibility through plugins, making it a lightweight yet powerful tool for various coding and writing tasks. ...more

WeeChat is a highly customizable, free and open-source command-line based chat client. Designed for efficiency and portability, it supports multiple protocols including IRC and XMPP, making it a versatile tool for connecting to various networks. ...more

Textadept is a powerful, free, and open-source text editor designed for programmers. Focusing on speed and extensibility, it offers a minimalist interface while providing robust features like syntax highlighting, code formatting, and a built-in terminal, all heavily customizable through Lua scripting. ...more

MacVim is a robust, open-source text editor specifically tailored for macOS users, bringing the power and extensibility of Vim with a native graphical interface. It seamlessly integrates Vim's renowned modal editing and command-line power with the familiar macOS windowing environment. ...more

qutIM is a free and open-source, multi-protocol instant messenger designed for connecting to various networks including ICQ, Jabber, Mail.Ru, IRC, and VKontakte. It offers a unified interface for managing multiple accounts and conversations. ...more

ISPConfig is a robust, open-source hosting control panel for Linux, designed for service providers, resellers, and individuals. It simplifies the management of web servers, mail servers, DNS servers, and more, offering a comprehensive suite of tools via a user-friendly web interface. ...more

OpenProject is a powerful, web-based open-source project management software designed for teams of all sizes. It offers comprehensive tools for managing projects, tasks, teams, and communication in one centralized platform. Ideal for organizations prioritizing collaboration, flexibility, and data control. ...more

Portable-VirtualBox allows you to run virtual machines directly from a USB drive without requiring an installation on the host computer. It provides a convenient and portable way to access different operating systems and applications. ...more

CKEditor is a powerful open-source WYSIWYG HTML editor designed to be embedded into web pages, providing developers with a robust solution for enabling rich text editing capabilities for their users. It transforms simple textareas into fully-featured content creation environments. ...more

Xabber is a free and open-source XMPP (Jabber) client for Android. It provides secure and reliable instant messaging with support for various XMPP features, including encryption, group chat, and decentralized communication. Leveraging the open XMPP protocol, Xabber offers a privacy-friendly alternative to centralized messaging platforms. ...more

TinyMCE is a highly customizable, open-source WYSIWYG editor that integrates seamlessly into web applications. It provides rich text editing capabilities directly within a browser, making content creation and management intuitive and efficient for users. ...more

ImageGlass is a lightweight, versatile image viewing application designed as a modern, fast, and user-friendly alternative to the default Windows Photo Viewer. It supports a wide range of image formats and offers essential viewing tools alongside advanced features through its extensible architecture. ...more

VFront is a powerful and open-source web-based front-end for managing various relational databases including MySQL, PostgreSQL, SQLite, and MariaDB. It provides a user-friendly interface for performing database operations without needing command-line access. ...more

PCMan File Manager is a highly regarded, lightweight file manager designed for speed and efficiency. It is the default file manager for the LXDE desktop environment and offers a clean interface and essential file management functionalities with low resource consumption. ...more

Instantbird is a powerful, cross-platform instant messaging client built on Mozilla's XULRunner, leveraging the robust libpurple library from Pidgin. It supports a wide array of instant messaging protocols, offering a unified chat experience. ...more

Orwell Dev-C++ is a free, portable, and lightweight Integrated Development Environment (IDE) specifically designed for C and C++ programming. It provides a comprehensive set of tools including a compiler, debugger, and code editor, making it an accessible option for beginners and experienced developers alike. Its portability allows developers to carry their development environment on a USB drive. ...more

Eye of GNOME (EOG) is the default and official image viewer for the GNOME desktop environment, known for its simplicity, speed, and tight integration within the GNOME ecosystem. It provides essential image viewing capabilities with a clean interface. ...more

Moodle is a widely adopted, open-source Learning Management System (LMS) designed to provide educators, administrators, and learners with a single, robust, and secure system to create personalized learning environments. It facilitates online learning, blended learning, and distance education with a comprehensive set of tools for course creation, delivery, and management. ...more

Miranda NG is a highly extensible, multi-protocol instant messaging client for Windows. A successor to the popular Miranda IM, it offers a modular architecture supporting numerous chat networks, allowing users to consolidate their conversations into a single interface. It's designed for resource efficiency and deep customization. ...more

Pandoc is a powerful command-line tool for converting documents between numerous markup formats, enabling seamless content transformation for writers, developers, and publishers. It's essential for workflows involving diverse document types, from markdown to PDF, HTML, LaTeX, and more. ...more

LXQt is a free and open-source lightweight desktop environment for Linux and BSD systems, designed for speed, efficiency, and customization. It is built from the foundation of LXDE and Razor-qt, combining the best of both worlds to provide a modern yet resource-friendly user experience. ...more